Find the area of this figure

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out